Radeon RX 6600S vs RX 6800M

Place in performance ranking	143	136
Place by popularity	not in top-100	not in top-100
Architecture	RDNA 2 (2020−2022)	RDNA 2 (2020−2022)
GPU code name	Navi 22	Navi 23
Market segment	Laptop	Laptop
Release date	1 June 2021 (2 years ago)	4 January 2022 (2 years ago)

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	2560	1792
Core clock speed	2116 MHz	no data
Boost clock speed	2300 MHz	1881 MHz
Number of transistors	17,200 million	11,060 million
Manufacturing process technology	7 nm	7 nm
Power consumption (TDP)	145 Watt	80 Watt
Texture fill rate	413.0	224.0

Form factor & compatibility

Information on Radeon RX 6800M and Radeon RX 6600S compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.

Laptop size	large	medium sized
Interface	PCIe 4.0 x16	PCIe 4.0 x8
Supplementary power connectors	None	None

Memory type	GDDR6	GDDR6
Maximum RAM amount	12 GB	4 GB
Memory bus width	192 Bit	128 Bit
Memory clock speed	16000 MHz	16000 MHz
Memory bandwidth	384.0 GB/s	224.0 GB/s
Shared memory	-	-

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors

No outputs

API compatibility

List of supported graphics and general-purpose computing APIs, including their specific versions.

DirectX	12 Ultimate (12_2)	12.0 Ultimate (12_2)
Shader Model	6.5	6.5
OpenGL	4.6	4.6
OpenCL	2.1	2.1
Vulkan	1.2	1.2

Synthetic benchmark performance

Non-gaming benchmark performance comparison. The combined score is measured on a 0-100 point scale.

Combined synthetic benchmark score

This is our combined benchmark performance score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

RX 6800M 34.34

RX 6600S 35.34
+2.9%

RX 6600S outperforms RX 6800M by 3% based on our aggregated benchmark results.

Passmark

This is the most ubiquitous GPU benchmark, part of Passmark PerformanceTest suite. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

Benchmark coverage: 25%

RX 6800M 13293

RX 6600S 13678
+2.9%

RX 6600S outperforms RX 6800M by 3% in Passmark.

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Average FPS across all PC games

Here are the average frames per second in a large set of popular games across different resolutions:

Full HD	107 −2.8%	110−120 +2.8%
1440p	70 +0%	70−75 +0%
4K	43 +7.5%	40−45 −7.5%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

123
+102%

60−65

−102%

Full HD
Medium Preset

Assassin's Creed Odyssey	60−65 −1.6%	60−65 +1.6%
Assassin's Creed Valhalla	109 +75.8%	60−65 −75.8%
Battlefield 5	143 +34.9%	100−110 −34.9%
Call of Duty: Modern Warfare	90−95 −3.2%	95−100 +3.2%
Cyberpunk 2077	110 +80.3%	60−65 −80.3%
Far Cry 5	106 +16.5%	90−95 −16.5%
Far Cry New Dawn	96 +10.3%	85−90 −10.3%
Forza Horizon 4	100−110 −1.9%	110−120 +1.9%
Hitman 3	100−110 −2.8%	110−120 +2.8%
Horizon Zero Dawn	70−75 −2.7%	75−80 +2.7%
Red Dead Redemption 2	122 +114%	55−60 −114%
Shadow of the Tomb Raider	120 +42.9%	80−85 −42.9%
Watch Dogs: Legion	85 +28.8%	65−70 −28.8%

Full HD
High Preset

Assassin's Creed Odyssey	60−65 −1.6%	60−65 +1.6%
Assassin's Creed Valhalla	90 +45.2%	60−65 −45.2%
Battlefield 5	141 +33%	100−110 −33%
Call of Duty: Modern Warfare	90−95 −3.2%	95−100 +3.2%
Cyberpunk 2077	102 +67.2%	60−65 −67.2%
Far Cry 5	102 +12.1%	90−95 −12.1%
Far Cry New Dawn	94 +8%	85−90 −8%
Forza Horizon 4	100−110 −1.9%	110−120 +1.9%
Hitman 3	100−110 −2.8%	110−120 +2.8%
Horizon Zero Dawn	47 −61.7%	75−80 +61.7%
Metro Exodus	105 +69.4%	60−65 −69.4%
Red Dead Redemption 2	86 +50.9%	55−60 −50.9%
Shadow of the Tomb Raider	109 +29.8%	80−85 −29.8%
The Witcher 3: Wild Hunt	188 +116%	85−90 −116%
Watch Dogs: Legion	79 +19.7%	65−70 −19.7%

Full HD
Ultra Preset

Assassin's Creed Odyssey	60−65 −1.6%	60−65 +1.6%
Assassin's Creed Valhalla	78 +25.8%	60−65 −25.8%
Battlefield 5	139 +31.1%	100−110 −31.1%
Cyberpunk 2077	98 +60.7%	60−65 −60.7%
Far Cry 5	95 +4.4%	90−95 −4.4%
Far Cry New Dawn	82 −6.1%	85−90 +6.1%
Forza Horizon 4	100−110 −1.9%	110−120 +1.9%
The Witcher 3: Wild Hunt	109 +25.3%	85−90 −25.3%
Watch Dogs: Legion	69 +4.5%	65−70 −4.5%

1440p
High Preset

Call of Duty: Modern Warfare	55−60 −3.6%	55−60 +3.6%
Hitman 3	60−65 −3.2%	60−65 +3.2%
Horizon Zero Dawn	45−50 −4.3%	45−50 +4.3%
Metro Exodus	59 +55.3%	35−40 −55.3%
Red Dead Redemption 2	53 +89.3%	27−30 −89.3%
Shadow of the Tomb Raider	81 +55.8%	50−55 −55.8%

1440p
Ultra Preset

Assassin's Creed Odyssey	35−40 −2.7%	35−40 +2.7%
Assassin's Creed Valhalla	63 +65.8%	35−40 −65.8%
Battlefield 5	130 +71.1%	75−80 −71.1%
Cyberpunk 2077	51 +88.9%	27−30 −88.9%
Far Cry 5	100 +56.3%	60−65 −56.3%
Far Cry New Dawn	83 +23.9%	65−70 −23.9%
Forza Horizon 4	70−75 −2.8%	70−75 +2.8%
The Witcher 3: Wild Hunt	45−50 −4.3%	45−50 +4.3%
Watch Dogs: Legion	55 +77.4%	30−35 −77.4%

4K
High Preset

Call of Duty: Modern Warfare	30−33 −3.3%	30−35 +3.3%
Hitman 3	30−35 −2.9%	35−40 +2.9%
Horizon Zero Dawn	24−27 −4%	24−27 +4%
Metro Exodus	38 +58.3%	24−27 −58.3%
Red Dead Redemption 2	33 +73.7%	18−20 −73.7%
Shadow of the Tomb Raider	43 +59.3%	27−30 −59.3%
The Witcher 3: Wild Hunt	60 +46.3%	40−45 −46.3%

4K
Ultra Preset

Assassin's Creed Odyssey	21−24 −4.3%	24−27 +4.3%
Assassin's Creed Valhalla	38 +81%	21−24 −81%
Battlefield 5	82 +90.7%	40−45 −90.7%
Cyberpunk 2077	23 +109%	10−12 −109%
Far Cry 5	61 +84.8%	30−35 −84.8%
Far Cry New Dawn	64 +77.8%	35−40 −77.8%
Forza Horizon 4	45−50 −2.1%	45−50 +2.1%
Watch Dogs: Legion	33 +83.3%	18−20 −83.3%

This is how RX 6800M and RX 6600S compete in popular games:

RX 6600S is 2.8% faster than RX 6800M in 1080p
RX 6600S is 0% faster than RX 6800M in 1440p
RX 6800M is 7.5% faster than RX 6600S in 4K

Here's the range of performance differences observed across popular games:

in The Witcher 3: Wild Hunt, with 1080p resolution and the High Preset, the RX 6800M is 116% faster than the RX 6600S.
in Horizon Zero Dawn, with 1080p resolution and the High Preset, the RX 6600S is 61.7% faster than the RX 6800M.

All in all, in popular games: